Said the Whale and Tokyo Police Club surprised the audience by taking the stage at Flames Central to perform a few songs.

Tokyo Police Club takes the stage at Flames Central at the 2014 Coke-Cola Covert Concert on May 22, where the line up for the Coke stage was unveiled.

Photo by Paulina Liwski"This year's incredible lineup on the Coca-Cola Stage is jam-packed with artists from all over North America who are blowing up the music scene," says Lindsay Ell, production manager of the Coca-Cola Covert Concert.

"From indie and pop to hip-hop, country and rock, there is an artist on this stage for absolutely every music fan."

Previous artists who have played on the Coke stage during the Calgary Stampede are: OneRepublic, Natasha Beddingfield, The Plain White T's, Barenaked Ladies and Nelly Furtado.